Help ASAP please

Enviro Company issues 8%, 10-year bonds with a par value of $250,000 and semiannual interest payments on the issue date, the annual market rate for these bonds is 5%, which implies a selling price of 12.4. The straight-line method is used to allocate iterest expense. 1. Using the implied selling price of 123 what are the issuers cash proceeds from issuance of these bonds? int 2. What total amount of bond interest expense will be recognized over the life of these bonds? Amount repaid Par value at maturity Less amount borrowed (from part 1 otal bond interest expense